Παραπομπή APA

Alfsen, E. M. (1971). Compact convex sets and boundary integrals.

Παραπομπή Chicago Style

Alfsen, Erik M. Compact Convex Sets and Boundary Integrals. Springer-Verlag, New York, 1971.

Παραπομπή MLA

Alfsen, Erik M. Compact Convex Sets and Boundary Integrals. 1971.